Where does “trainboy” come from?

trainboy (English) comes from English train, from Middle English train, from Old French train, from Old French traïner, from Vulgar Latin traginare, from Latin tragēre, from Latin trahere, from Latin traho — to run.

trainboy (English): A young trainman

Definitions

  1. A young trainman

Ancestry of “trainboy”, step by step

trainboy traces back through two separate lines of ancestry.

via English train

StepLanguageWordMeaning
1EnglishtrainElongated portion; Connected sequence of people...
2Middle Englishtrain
3Old Frenchtraina delay, a drawing out
4Old FrenchtraïnerAlternative form of trainer; to pull out, to draw
5Vulgar Latintraginarepresent active infinitive of *traginō
6Latintragēre
7Latintraheresecond-person singular future passive indicative...
8LatintrahoI drag, pull; I trail; I extract, withdraw
9Proto-Italictraɣō
10Proto-Indo-Europeantregʰ-to drag, pull?; to run, walk
11Proto-Indo-Europeandʰregʰ-to run

via English boy

StepLanguageWordMeaning
1EnglishboyA young male; A male child: a son of any age; A...
2Middle Englishboyeservant, commoner, knave, boy
3Old Englishbōiaboy
4Proto-Germanicbōjôyounger brother, young male relation
5Proto-Germanicbō-A stem meaning "father, brother, close male...
6Proto-Indo-Europeanbʰā-to say
Every word from Proto-Indo-European dʰregʰ-Every word from Proto-Indo-European tregʰ-Every word from Proto-Italic traɣō